Ep. 37: Ryan Holiday Interview with Michael Covel on Trend Following Radio Posted on July 19, 2012April 26, 2021 by Michael Covel Ryan Holiday Ryan Holiday is on the podcast: Listen to this episode: Listen to this podcast on iTunes. (Please leave a rating!) Listen on Spotify. Listen on Stitcher. Libysn RSS. Download as MP3 by right-clicking here and choosing “save as.” Free Video.